package com.xuanmiao.smsback.service.email;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Component;

import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import java.io.File;

/**
 * 简单文本的邮件
 * @Author: wangxl
 * @Date: 2019/3/27 16:28
 */
@Component
@Slf4j
public class MailServiceImpl implements MailService{

    @Autowired
    private JavaMailSender mailSender;

//    @Autowired
//    private ITemplateEngine templateEngine;

    @Value("${mail.fromMail.addr}")
    private String from;

    /**
     * 发送一封简单的邮件
     * @param to 发送邮件地址
     * @param subject
     * @param content
     */
    @Override
    public void sendSimpleMail(String to, String subject, String content) {

        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom(from);
        message.setTo(to);
        message.setSubject(subject);
        message.setText(content);

        try {
            mailSender.send(message);
            log.info("简单邮件已经发送。");
        } catch (Exception e) {
            log.error("发送简单邮件时发生异常！", e);
        }

    }

    @Override
    public void sendHtmlMail(String to, String subject, String content) {
        MimeMessage message = mailSender.createMimeMessage();

        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content,true);

            mailSender.send(message);
        } catch (Exception e) {
            e.printStackTrace();
            log.info("发送html邮件失败！");
        }
    }

    @Override
    public void sendAttachemntMail(String to, String subject, String content, String filePath) {
        MimeMessage message = mailSender.createMimeMessage();

        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content,true);

            FileSystemResource file = new FileSystemResource(new File(filePath));
            String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
            helper.addAttachment(fileName,file);

            mailSender.send(message);

        } catch (Exception e) {
            e.printStackTrace();
            log.info("发送带附件邮件失败！");
        }
    }

    @Override
    public void sendInlineResourceMail(String to, String subject, String content, String rscPath, String rscId) {
        MimeMessage message = mailSender.createMimeMessage();

        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);

            FileSystemResource res = new FileSystemResource(new File(rscPath));
            helper.addInline(rscId, res);

            mailSender.send(message);
            log.info("嵌入静态资源的邮件已经发送。");
        } catch (MessagingException e) {
            log.error("发送嵌入静态资源的邮件时发生异常！", e);
        }
    }

//    @Override
//    public void sendTemplateMail(String to, String subject, String username,String emailTemplateName) {
//        Context context = new Context();
//
//        context.setVariable("username",username);
//        context.setVariable("id","006");
//
//        String emailContent = templateEngine.process(emailTemplateName, context);
//
//        sendHtmlMail(to,subject,emailContent);
//    }
}
